A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 5950-00-288-5994
NSN 5910-01-039-3068
NSN 2925-01-067-4446
NSN 5905-01-606-2420
NSN 5996-01-604-9653
NSN 5975-01-302-5241
NSN 5998-01-036-6575
NSN 5965-00-240-5777
NSN 6320-01-177-3192
NSN 5960-01-442-9304
NSN 5965-00-763-8015
NSN 6685-01-214-8206